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常见可燃气体爆炸极限数据表(2016-02-2617:56:29)转载▼分类：火灾爆炸（粉尘）物质名称分子式下限LEL上限UEL毒性甲烷CH4515乙烷C2H6315.5丙烷C3H82.19.5丁烷C4H101.98.5戊烷（液体）C5H121.47.8己烷（液体）C6H141.17.5庚烷（液体）CH3(CH2)5CH31.16.7辛烷（液体）C8H1816.5乙烯C2H42.736丙烯C3H6211.1丁烯C4H81.610丁二烯C4H6212低毒乙炔C2H22.5100环丙烷C3H62.410.4煤油（液体）C10-C160.65城市煤气4液化石油气112汽油（液体）C4-C121.15.9松节油（液体）C10H160.8苯（液体）C6H61.37.1中等甲苯C6H5CH31.27.1低毒氯乙烷C2H5Cl3.815.4中等氯乙烯C2H3Cl3.633氯丙烯C3H5Cl2.911.2中等1.2二氯乙烷ClCH2CH2Cl6.216高毒四氯化碳CCl4轻微麻醉三氯甲烷CHCl3中等环氧乙烷C2H4O3100中等甲胺CH3NH24.920.1中等乙胺CH3CH2NH23.514中等苯胺C6H5NH21.311高毒二甲胺(CH3)2NH2.814.4中等乙二胺H2NCH2CH2NH2低毒甲醇（液体）CH3OH6.736乙醇（液体）C2H5OH3.319正丁醇（液体）C4H9OH1.411.2甲醛HCHO773乙醛C2H4O460丙醛（液体）C2H5CHO2.917乙酸甲酯CH3COOCH33.116乙酸CH3COOH5.416低毒乙酸乙酯CH3COOC2H52.211丙酮C3H6O2.612.8丁酮C4H8O1.810氰化氢(氢氰酸)HCN剧毒丙烯氰C3H3N2.828高毒氯气Cl2刺激氯化氢HCl氨气NH31625低毒硫化氢H2S4.345.5神经二氧化硫SO2中等二硫化碳CS21.350臭氧O3刺激一氧化碳CO12.574.2剧毒氢H2475乙醚(C2H5)O2.346.15浓度超过303g／m3有生命危险。